Implications of interdomain traffic characteristics on traffic engineering

Sun, 04/01/2007 - 01:54 by Damien Leroy


We study the interdomain traffic as seen by a non-transit ISP, based on a six days trace covering all the interdomain
links of this ISP. Our analysis considers the relationships between the interdomain traffic and the interdomain topology.
We first discuss the day-to-day stability of the interdomain traffic matrix to evaluate the feasibility of interdomain traffic
engineering. Then, we study the variability of the interdomain flows for several aggregation levels (prefix, AS and
sink tree) and with respect to the interdomain topology seen by BGP. We show that despite the important variability of
interdomain flows, it would be useful for a non-transit ISP to traffic engineer its access traffic by relying on a sink tree
aggregation level.

S. Uhlig and O. Bonaventure
European Transactions on TelecommunicationsEuropean Transactions on Telecommunications, special issue on traffic engineering, 13:23-32, January 2002.
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